Home / 669,459.84-1,004,189.44-196,144.96

Finding the Fourth Proportional to 669,459.84, 1,004,189.44 and 196,144.96

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Solution

The fourth proportional to 669,459.84, 1,004,189.44 and 196,144.96 is: 294,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,459.84 : 1,004,189.44 = 196,144.96 : x
  2. Step 2: Convert to fraction form
    669,459.84/1,004,189.44 = 196,144.96/x
  3. Step 3: Cross multiply
    669,459.84x = 1,004,189.44 × 196,144.96
  4. Step 4: Simplify right side
    669,459.84x = 196,966,697,541.22
  5. Step 5: Solve for x
    x = 196,966,697,541.22/669,459.84
  6. Step 6: Final answer
    x = 294,217.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.